<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
		<title>对props进行限制</title>
	</head>
	<body>
		<div id="test"></div>
		<!-- 引入核心库  React -->
		<script src="../js/react.development.js"></script>
		<!-- 引入react-dom，用于支持react操作DOM  ReactDOM -->
		<script src="../js/react-dom.development.js"></script>
		<!-- 引入babel，用于将jsx转为js -->
		<script src="../js/babel.min.js"></script>
		<!-- 引入prop-types，用于对组件标签属性进行限制  PropTypes -->
		<script src="../js/prop-types.js"></script>
		<script type="text/babel">
			// 创建组件
			function Person(props) {
				const { name, sex, age } = props;
				return (
					<ul>
						<li>姓名：{name}</li>
						<li>性别：{sex}</li>
						<li>年龄：{age}</li>
					</ul>
				);
			}
			// 对标签属性进行类型、 必要性的限制
			Person.propTypes = {
				name: PropTypes.string.isRequired, //限制name必传，且为字符串
				sex: PropTypes.string, //限制sex为字符串
				age: PropTypes.number, //限制age为数值
			};
			// 指定默认标签属性值
			Person.defaultProps = {
				sex: "男", //sex默认值为男
				age: 20, //age默认值为20
			};

			// 渲染组件到页面
			ReactDOM.render(<Person name="Tom" />, document.getElementById("test"));
		</script>
	</body>
</html>
